Citation: Jing Hong LI, Guang Jin CHENG, Chang Wei LIU, Ju Guang JIN, Shao Jun DONG. A NOVEL IN-SITU SPECTROELECTROCHEMICAL TECHNIQUE WITH PROBE BEAM DEFLECTION:FOR STUDY OF THE ION EXCHANGE BETWEEN FILMS ON ELECTRODE SURFACE AND SOLUTIONS[J]. Chinese Chemical Letters, ;1995, 6(11): 983-986. shu

A NOVEL IN-SITU SPECTROELECTROCHEMICAL TECHNIQUE WITH PROBE BEAM DEFLECTION:FOR STUDY OF THE ION EXCHANGE BETWEEN FILMS ON ELECTRODE SURFACE AND SOLUTIONS

Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 7 April 1995

Fund Project: This project was supported by National Natural Science Foundation of China.

A novel in-situ spectroelectrochemical technique,the combination of probe beam deflection (PBD) with cyclic voltammetry (CV),was used to study the ion cxchange process of prussian blue (PB) modified film electrode in contact with various electrolyte solutions.The ion exchange mechanism was verified as following:K₂Fe²⁺Fe^Ⅱ(CN)₈???KFe³⁺Fe^Ⅱ(CN)₈???[Fe³⁺Fe^Ⅲ(CN)₈]_x[KFe³⁺Fe^Ⅱ(CN)₈]_1-xwhere on reduction PB film in contact with an acidic KCl electrolyte,it was confirmed that protons enter into the PB film before K⁺ cations.
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